He who holds the key can unlock my heart is the heart felt sentiment offered in this duo breakable pendant set. Created in Sterling Silver on Stainless Steel 18 inch curb link chains the inscribed heart along with its key are polished as well as slightly textured to create a romantic feel. Both pieces in this set fit perfectly together. The curb chain on the heart is 1.6MM and the chain on the key is 3MM. Both chains have secure spring ring closures. Breakable sets.